A pair of sport shoes
一双运动鞋

Can I help you?
我能帮您忙吗？
Yes, I want a pair of sport shoes. Jordan.
是的，我想要双乔丹牌运动鞋。
What size do you want?
多大号的?
Size 41.
41码。

Here you are.
给您。
They fit me. Can you make it a little cheaper?
正合适。能便宜点吗？
It's already on sale now.
已经是促销价了。